User Interface

The following languages are available in OpenCPN:

Choose your language here. Make sure your selected language has the support files installed on your computer (Linux). Default language is US English.

Remark: Changing the language will reset the font settings.

Toolbar and Window Style Menubar. The alternatives are described in Toolbar Buttons and Windows/Mac style MenuBar

After a new OpenCPN installation, fonts are set to default fonts. The Font dialog permits user adjustment to make text more legible. Text displayed on vector charts can be adjusted. The Font management module, depends on having the particular font displayed at least once. for example, “AIS rollover” otherwise it will not show in the list.

• AIS Target Name - Target List font size
• AIS target List uses the “Dialog” font key.
• AISRollover - Yellow rollover font size
• AISTargetAlert - Popup alert font size
• AISTargetQuery -Query Popup
• ChartTexts - Chart names font
• Console Legend - Active Route Console XTE, Bearing, etc (upper right black box, see below)
• Console Value - Active Route Console - Font Size of the data presented.
• CurrentValue -
• Dialog - AIS Target List
• ExtendedTideIcon -
• Gridtext - Lat/Long text at edge of chart
• Marks - Properties font size
• Menu - Main menu font size
• ObjectQuery -Object Query font size
• OD_PathLegInfoRollover - OD Plugin Yellow Rollover font size
• OD_PointInfoRollover - OD Plugin Yellow Rollover font size
• RouteLegInfoRollever - Route Leg Yellow Rollover font size
• StatusBar - Status Font at bottom
• TideCurrentGraphRollover - Tide & Current text Yellow background
• ToolTips - Toolbar tip hoover text

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The result of adjusting the “Console Value” font size.

As appropriate.

The status bar at the bottom of the display contains a lot of navigation information. If you have this info available elsewhere turning this setting off increases the available space for the chart.

Show/Hide the Menu Bar. More about MenuBar
Short Cut: “Alt”

Show/Hide the Chart Bar. More info available on the Chart Status Bar page.
Short Cut: “Ctrl + B”

Show/Hide the Compass/GPS Status Window. More info on the GPS Status page.
Short Cut: “Ctrl + I”

Enter number of seconds for the Toolbar to automatically hide.

Every half-hour the traditional ship's bell will be heard.

• Refer to https://en.wikipedia.org/wiki/Ship%27s_bell if you are not familiar with them.
• Also Ships Bells Explained.html

Allows selection of the sound device driver.

Read more at Touch Screen Tablets

Switch to compliance mode for Europe Inland Waterways ECDIS in information mode.

Selecting “Use Settings for InlandECDIS Version 2.3” will have effect on your Toolbar Icons!
Only 7 of the 17 available Toolbar Icons will be visible, as required by the compliance mode.

You can select other Toolbar Icons, but your changes will not be saved when you exit OpenCPN.

Inland ECDIS Manual

Enable Graphical User Interface (Removed in favor of greater scale control and better DPI responsive display below)

OpenCPN is now “DPI Aware” for Windows users, adjusting settings to the “Scale Factor” being used.

If either of the Graphical User Interface boxes are checked, the slider “User Interface scale factor” changes the size of the Tool Bar, Chart Bar and the GPS status icon. Useful to adjust the size of the UI.

If the “Enable Tablet Scaled Graphics interface” is checked, the slider “Chart Object scale factor” changes the size of chart objects including: Depth Soundings, Marks, Routes, Buoys, Daybeacons, Wrecks and Rocks.

Adjust the scale of Own Ship. We do not reduce the ownship size below effective value of 0, so to be sure of always finding the ship on the screen. A user safety point.

Adjusts soundings font size in ENC Charts so they are more visible.

Adjust mouse sensitivity.